.wea-annular {
  &-dot {
    font-size: 14px;
    top: 50%;
    left: 50%;
    margin: -7px 0 0 -7px;
  }
}
/* 仅firefox 识别 */ 
@-moz-document url-prefix() {
  .wea-annular-dot {
    margin-top: -6px !important;
  }
}